Wavelet Analysis of Fluctuation of Plasma Density in Hypersonic Flow

Chin. Phys. Lett.

1999, Vol. 16

Issue (3): 190-192 DOI:

Original Articles

Wavelet Analysis of Fluctuation of Plasma Density in Hypersonic Flow

YANG Hong-bo;CAO Jin-xiang

Department of Modern Physics, University of Science and Technology of China, Hefei 230027

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YANG Hong-bo, CAO Jin-xiang 1999 Chin. Phys. Lett. 16 190-192

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Abstract By use of wavelet transform, a high frequency fluctuation is identified in the presence of low frequency disturbance through the zoned wavelet energy spectrum. The high frequency fluctuation of the plasma density may be stimulated by an ion-acoustic instability. These results can help to study the mechanism of the perturbation of plasma density in hypersonic wake.

Keywords: 52.25.Gj 52.35.Fp 47.40. Ki

Published: 01 March 1999

PACS:	52.25.Gj	(Fluctuation and chaos phenomena)
	52.35.Fp	(Electrostatic waves and oscillations (e.g., ion-acoustic waves))
	47.40. Ki

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1999/V16/I3/0190

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